Bulletin I2082/A
SD400N/R SERIES
STANDARD RECOVERY DIODES
Stud Version
Features
Wide current range
High voltage ratings up to 2400V
High surge current capabilities
Stud cathode and stud anode version
Standard JEDEC types
400A
Typical Applications
Converters
Power supplies
Machine tool controls
High power drives
Medium traction applications
Major Ratings and Characteristics
Parameters
I
F(AV)
@ T
C
I
F(RMS)
I
FSM
@ 50Hz
@ 60Hz
I
2
t
@ 50Hz
@ 60Hz
V
RRM
range
T
J
SD400N/R
400
120
630
8250
8640
340
311
400 to 2400
- 40 to 190
Units
A
°C
A
A
A
KA
2
s
KA
2
s
V
°C
case style
DO-205AB (DO-9)
SD400N/R Series
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Type number
Voltage
Code
04
08
SD400N/R
12
16
20
24
V
RRM
, maximum repetitive
peak reverse voltage
V
400
800
1200
1600
2000
2400
V
RSM
, maximum non-
repetitive peak rev. voltage
V
500
900
1300
1700
2100
2500
I
RRM
max.
@ T
J
= T
J
max.
mA
15
Forward Conduction
Parameter
I
F(AV)
I
F(AV)
Max. average forward current
@ Case temperature
Max. average forward current
@ Case temperature
I
F(RMS)
Max. RMS forward current
I
FSM
Max. peak, one-cycle forward,
non-repetitive surge current
SD400N/R
400
120
480
100
630
8250
8640
6940
7270
Units
A
°C
A
°C
A
Conditions
180° conduction, half sine wave
180° conduction, half sine wave
DC @ 110°C case temperature
t = 10ms
t = 8.3ms
No voltage
reapplied
100% V
RRM
reapplied
No voltage
reapplied
100% V
RRM
reapplied
Sinusoidal half wave,
Initial T
J
= T
J
max.
A
t = 10ms
t = 8.3ms
t = 10ms
t = 8.3ms
I
2
t
Maximum I
2
t for fusing
340
311
241
220
KA
2
s
t = 10ms
t = 8.3ms
I
2
√t
Maximum I
2
√t
for fusing
3400
0.80
KA
2
√s
t = 0.1 to 10ms, no voltage reapplied
(16.7% x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
= T
J
max.
V
F(TO)1
Low level value of threshold
voltage
V
F(TO)2
High level value of threshold
voltage
r
f
1
r
f
2
V
FM
Low level value of forward
slope resistance
High level value of forward
slope resistance
Max. forward voltage drop
V
0.85
(I >
π
x I
F(AV)
),T
J
= T
J
max.
(16.7% x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
= T
J
max.
mΩ
0.51
1.62
V
(I >
π
x I
F(AV)
),T
J
= T
J
max.
I
pk
= 1500A, T
J
= T
J
max, t
p
= 10ms sinusoidal wave
0.55
SD400N/R Series
Thermal and Mechanical Specifications
Parameter
T
J
T
stg
R
thJC
R
thCS
T
wt
Max. junction operating temperature range
Max. storage temperature range
Max. thermal resistance, junction to case
Max. thermal resistance, case to heatsink
Max. allowed mounting torque ±10%
Approximate weight
Case style
SD400N/R
-40 to 190
-55 to 200
0.11
0.04
27
250
Units
°C
Conditions
DC operation
K/W
Nm
g
See Outline Table
Mounting surface, smooth, flat and greased
Not lubricated threads
DO-205AB (DO-9)
∆R
thJC
Conduction
(The following table shows the increment of thermal resistence R
thJC
when devices operate at different conduction angles than DC)
Conduction angle
180°
120°
90°
60°
30°
Sinusoidal conduction Rectangular conduction Units
0.020
0.023
0.029
0.042
0.073
0.013
0.023
0.031
0.044
0.074
K/W
Conditions
T
J
= T
J
max.
Ordering Information Table
Device Code
SD
1
1
2
3
4
-
-
-
-
Diode
Essential part number
0 = Standard recovery
40
2
0
3
N
4
24
5
P
6
B
7
C
8
N = Stud Normal Polarity (Cathode to Stud)
R = Stud Reverse Polarity (Anode to Stud)
5
6
-
-
Voltage code: Code x 100 = V
RRM
(See Voltage Ratings table)
P = Stud base DO-205AB (DO-9) 3/4" 16UNF-2A
M = Stud base DO-205AB (DO-9) M16 X 1.5
7
-
B = Flag top terminal (for Cathode/ Anode Leads)
S = Isolated lead with silicone sleeve
(Red = Reverse Polarity; Blue = Normal Polarity)
None = Non isolated lead
8
-
C = Ceramic Housing (over 1600V)
V = Glass-metal seal (only up to 1600V)
SD400N/R Series
Outline Table
CERAMIC HOUSING
19 (0.75)
MAX.
9.5 (0.37) MIN.
39 (1.53)
MAX.
C.S. 35mm
(0.054 s.i.)
2
SW 32
16 (0.63)
MAX.
4 (0.16) MAX.
210 (8.27) ± 10 (0.39)
DIA. 8.5 (0.33) NOM.
82 (3.23) MIN.
DIA. 27.5 (1.08) MAX.
21 (0.82)
MAX.
38 (1.50)
MAX.
Conform to JEDEC DO-205AB (DO-9)
All dimensions in millimeters (inches)
3/4"-16UNF-2A*
* FOR METRIC DEVICE: M16 X 1.5
GLASS-METAL SEAL
19 (0.75)
MAX.
9.5 (0.37) MIN.
4 (0.16) MAX.
200 (7.87) ± 10 (0.39)
DIA. 8.5 (0.33) NOM.
C.S. 35mm
(0.054 s.i.)
75 (2.95) MIN.
DIA. 28.5 (1.08) MAX.
28.5 (1.12)
MAX.
21 (0.82)
MAX.
16 (0.63)
MAX.
SW 32
3/4-16UNF-2A*
* FOR METRIC DEVICE: M16 X 1.5
39 (1.53)
MAX.
2
SD400N/R Series
Outline Table
CERAMIC HOUSING
21 (0.83)
14 (0.55)
DIA. 6.5 (0.25)
13 (0.51)
79 (3.11) MAX.
DIA. 27.5 (1.08) MAX.
72 (2.83)
38 (1.50)
MAX.
21 (0.82)
MAX.
16 (0.63)
MAX.
3/4"-16UNF-2A*
*FOR METRIC DEVICE. M16 X 1.5
3 (0.12)
32 (1.26)
DO-205AB (DO-9) Flag
All dimensions in millimeters (inches)
GLASS-METAL SEAL
21 (0.83)
14 (0.55)
DIA. 6.5 (0.26)
13 (0.51)
70 (2.75) MAX.
28.5 (1.12)
MAX.
21 (0.83)
MAX.
16 (0.63)
MAX.
3/4"-16UNF-2A*
*FOR METRIC DEVICE: M16 X 1.5
32 (1.26)
3 (0.12)
62 (2.44)
DIA. 28.5 (1.12) MAX.
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